2C X 400 Sq.mm CU/XLPE/SWA/HFFR

Description

Description

Standards

  • International
    IEC 60332-3-24 Cat.C
  • National
    BS 6724

Scope

 This specification covers two core, XLPE insulated cables for use on the Qatar Power Systems ,Street lightning and Small wiring systems. These cables are complying with BS 6724 and QCS 2014 Standards .

 

Design

 

1. Conductor

Plain annealed high-conductivity Stranded Copper Class 2 conforming to BS EN 60228

 

2. Insulation

XLPE insulation Type GP8 conforming to BS 7655-1

 

3. Filling or Bedding

 Extruded HFFR

 

4. Armour

Single layer of Galvanised Steel Wires (GSWA)

 

5. Outer Sheath

Halogen Free Flame Retardant (HFFR)

 - Flame retardant : IEC60332-3-24 CAT C

 - Colour :  Black

 

Marking

2 X 400 CU/XLPE/SWA/HFFR 600/1000 V  BS 6724 MADE IN QATAR QICC-NEXANS Years  Meters

 

 

 

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Conductor shape
Circular
Conductor flexibility
Stranded class 2
Armour type
Galvanized steel wires
Colour
Black
Core identification
Red,Black
Halogen free
Yes
Inner sheath
Halogen free flame retardant
Insulation
XLPE
Outer sheath
Halogen free flame retardant

Dimensional characteristics

Dimensional characteristics

Number of cores
2
Conductor cross-section
400 mm²
Approximate weight
10822 kg/km
Nominal armour wire diameter
2.5 mm
Nominal insulation thickness
2.0 mm
Nominal outer diameter
67.6 mm

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
0.6/1 kV
Max. DC resistance of the conductor at 20°C
0.047 Ohm/km
Permissible current rating in open air
731 A
Permissible current rating when buried
439 A
Thermal soil resistivity dry zone
2.5 °K.m/W
Voltage drop, 3 conductors
0.17 V/A.km

Usage characteristics

Usage characteristics

Max. conductor temperature in service
90 °C
Short-circuit max. conductor temperature
250 °C
Bending factor when laying
12 (xD)
Ambient air temperature
30 °C
Ambient ground temperature
20 °C
Laying depth, center of system
700 mm
Max. pulling force during laying
50 N/mm2
Flame retardant
Yes

Resources

Resources

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